Home / 124,900,731.06-172,381,046.92-71,967,304.57

Finding the Fourth Proportional to 124,900,731.06, 172,381,046.92 and 71,967,304.57

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Solution

The fourth proportional to 124,900,731.06, 172,381,046.92 and 71,967,304.57 is: 99,325,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900,731.06 : 172,381,046.92 = 71,967,304.57 : x
  2. Step 2: Convert to fraction form
    124,900,731.06/172,381,046.92 = 71,967,304.57/x
  3. Step 3: Cross multiply
    124,900,731.06x = 172,381,046.92 × 71,967,304.57
  4. Step 4: Simplify right side
    124,900,731.06x = 12,405,799,305,787,098
  5. Step 5: Solve for x
    x = 12,405,799,305,787,098/124,900,731.06
  6. Step 6: Final answer
    x = 99,325,273.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.